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   <div id="projectname">CMSIS-Driver
   &#160;<span id="projectnumber">Version 2.8.0</span>
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   <div id="projectbrief">Peripheral Interface for Middleware and Application Code</div>
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<div class="title">Driver Validation </div>  </div>
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<div class="textblock"><p>The <a href="https://www.keil.com/pack/" target="_blank">Software Pack</a> named <b>ARM::CMSIS-Driver_Validation</b> contains the following:</p>
<ul>
<li>Source code of a CMSIS-Driver Validation Suite along with configuration file.</li>
<li>Documentation of the CMSIS-Driver Validation Suite.</li>
<li>Examples that shows the usage of the CMSIS-Driver Validation Suite on various target platforms.</li>
</ul>
<p>The CMSIS-Driver Validation Suite performs the following tests:</p>
<ul>
<li>Generic Validation of API function calls</li>
<li>Validation of Configuration Parameters</li>
<li>Validation of Communication with loopback tests</li>
<li>Validation of Communication Parameters such as baudrate</li>
<li>Validation of Event functions</li>
</ul>
<p>The following CMSIS-Drivers can be tested with the current release:</p>
<ul>
<li><a class="el" href="group__can__interface__gr.html">CAN Interface</a> : with loop back test of communication.</li>
<li><a class="el" href="group__eth__interface__gr.html">Ethernet Interface</a> : MAC and PHY with loop back test of communication.</li>
<li><a class="el" href="group__i2c__interface__gr.html">I2C Interface</a> : only API and setup; does not test data transfer.</li>
<li><a class="el" href="group__mci__interface__gr.html">MCI Interface</a> : only API and setup; does not test data transfer.</li>
<li><a class="el" href="group__spi__interface__gr.html">SPI Interface</a> : with loop back test of communication.</li>
<li><a class="el" href="group__usart__interface__gr.html">USART Interface</a> : with loop back test of communication.</li>
<li><a class="el" href="group__usbd__interface__gr.html">USB Device Interface</a> : only API and setup; does not test data transfer.</li>
<li><a class="el" href="group__usbh__interface__gr.html">USB Host Interface</a> : only API and setup; does not test data transfer.</li>
<li><a class="el" href="group__wifi__interface__gr.html">WiFi Interface</a> : extensive tests for WiFi Driver.</li>
</ul>
<p>The Driver Validation output can be printed to a console or saved in an XML file, via standard output (usually ITM).</p>
<h1><a class="anchor" id="test_output"></a>
Sample Test Output</h1>
<pre class="fragment">CMSIS-Driver USART Test Report   Dec  6 2019   11:44:30 

TEST 01: USART_GetCapabilities            PASSED
TEST 02: USART_Initialization             PASSED
TEST 03: USART_PowerControl               
  DV_USART.c (301): [WARNING] Low power is not supported
                                          PASSED
TEST 04: USART_Config_PolarityPhase       PASSED
TEST 05: USART_Config_DataBits            
  DV_USART.c (387): [WARNING] Data Bits = 9 are not supported
                                          PASSED
TEST 06: USART_Config_StopBits            
  DV_USART.c (425): [WARNING] Stop Bits = 1.5 are not supported
  DV_USART.c (429): [WARNING] Stop Bits = 0.5 are not supported
                                          PASSED
TEST 07: USART_Config_Parity              PASSED
TEST 08: USART_Config_Baudrate            PASSED
TEST 09: USART_Config_CommonParams        PASSED
TEST 10: USART_Send                       PASSED
TEST 11: USART_AsynchronousReceive        PASSED
TEST 12: USART_Loopback_CheckBaudrate     PASSED
TEST 13: USART_Loopback_Transfer          PASSED
TEST 14: USART_CheckInvalidInit           PASSED

Test Summary: 14 Tests, 14 Passed, 0 Failed.
Test Result: PASSED
</pre><h1><a class="anchor" id="loop_back_setup"></a>
Setup for Loop Back Communication</h1>
<p>To perform loop back communication tests it is required to connect the input and the output of the peripherals as shown in this table:</p>
<table class="doxtable">
<tr>
<th align="left">Peripheral </th><th align="left">Loop Back Configuration  </th></tr>
<tr>
<td align="left">Ethernet </td><td align="left">Connect TX+ (Pin 1) with RX+ (Pin 3), TX- (Pin 2) with RX- (Pin 6) </td></tr>
<tr>
<td align="left">SPI </td><td align="left">Connect MISO to MOSI </td></tr>
<tr>
<td align="left">USART </td><td align="left">Connect TX with RX </td></tr>
</table>
<p>The following picture shows the necessary external loop back connections for the Keil MCBSTM32F400 evaluation board:</p>
<ul>
<li>SPI: PB14 (SPI2_MISO) and PB15 (SPI2_MOSI)</li>
<li>USART: PB6 (USART1_TX) and PB7 (USART1_RX)</li>
<li>Ethernet: Pin 1 (TX+) and Pin 3 (RX+), Pin 2 (TX-) and Pin 6 (RX-)</li>
</ul>
<div class="image">
<img src="image006.png" alt="image006.png"/>
<div class="caption">
Connections for Loop Back Communication Tests on Keil MCBSTM32F400</div></div>
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